2When grill is heated, place patties and onion slices on gas grill over medium heat or on charcoal grill over medium coals; cover grill. Cook 11 to 13 minutes, turning patties and onion slices once, until thermometer inserted in center of patties reads 160°F. During last 2 minutes of cooking, place buns, cut sides down, on grill and cheese on patties; cook 1 to 2 minutes or until buns are golden brown and cheese is melted.

3Place patties on bottom halves of buns. Top with onion slices. Cover with top halves of buns.

Notes

Tips

Expert Tips

To broil patties and onion slices, place on broiler pan; broil 4 to 6 inches from heat using times in recipe as a guide, turning once. Place cheese slice on each patty; broil until cheese is melted. To toast buns, place cut sides up on broiler pan; broil until golden brown.